42 PROCEEDINGS OF THE ACADEMY OF [1879. 



not to affect it much. On wanning, the yellowish powder be- 

 comes orange-red. It is partly dissolved by caustic potassa. In 

 this yellowish brown Krantzite, Mr. Goldsmith noticed on a fresh 

 fracture a row of white crystals arranged in radiating groups. 

 The crystals were too small for mechanical separation, but the 

 opinion was expressed that they were Succinellite. 



The following were ordered to be published: 



